Injector injector = app
.strictConfig()
.doNotInitializeLogging()
.initialize();
ServiceSelector selector = injector.getInstance(Key.get(ServiceSelector.class, serviceType("presto")));
assertEquals(selector.selectAllServices().size(), 1);
HeartbeatFailureDetector detector = injector.getInstance(HeartbeatFailureDetector.class);
detector.updateMonitoredServices();
assertEquals(detector.getTotalCount(), 0);